Muzzle brake



FIG. 1 is a rear perspective view of a muzzle break showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is top plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another side elevational view thereof, shown rotated 180 degrees from the position shown in FIG. 4.

The broken lines in FIG. 5 depict portions of the muzzle brake that form no part of the claimed design. 

CLAIM The ornamental design for a muzzle brake, as shown and described. 